Greynets
Internet communications have evolved from point-to-point channels such as email
to real-time, presence-oriented communications like IM, P2P file sharing,
Skype, and web conferencing. FaceTime terms these real-time communications
applications 'greynets' - defined as network-enabled applications that are
often downloaded and installed by the end user without the permission or
knowledge of the IT department and use highly evasive techniques to circumvent
the existing security infrastructure.
Greynet Traffic in the Enterprise
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